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NBER
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The National Bureau of Economic Research is dedicated to conducting and disseminating nonpartisan economic research.
参加 May 2009
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Providing causal estimates of the global social returns to US public R&D. A shock equal to 1 percent of the federal R&D capital stock raises foreign total factor productivity by 1 percent within 12 years, from @GusMicrotoMacro, Andrew J. Fieldhouse, Karel Mertens, @Ishan_Nath, and Valerie A. Ramey
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